Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
ELECTRONIC DEVICES
Question #94087
Back to Home
View All ELECTRONIC DEVICES Questions
9 Views
Question
What is the focal length of a concave mirror with radius of curvature 30 cm?
A. +15 cm
B. –15 cm
C. +30 cm
D. –30 cm
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
A diverging lens has a focal length of 60 cm. How is this represented in calculations?
11
How does the concentration gradient influence carrier movement in a p-n junction?
12
What is the significance of the diamond-like structure in semiconductors?
9
Who was arrested in Dwarka for smuggling illegal liquor in an ambulance?
(Current Affairs)
12
Which country’s Supreme Court issued a stay order halting the government’s decision to recall am...
(Current Affairs)
9